Monkeybread Xojo plugin - FolderItem methods

FolderItem.SaveAsPNGMBS(pic as picture, gamma as single = 0.0) as boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	PNG	MBS Images Plugin	6.4	✅ Yes	✅ Yes	✅ Yes	✅ Yes	All

Saves RGB picture as PNG file.

If pic has a mask, it is written to the file as alpha channel.

Returns true on success and false on failure.

The gamma parameter defines what gamma correction is applied:
positive value: use the value as the gamma correction
zero: use default value (or value saved in file itself)
negative value: do not correct gamma

See also:

SaveAsPNGMBS(pic as picture, gamma as single, Interlace as Boolean, FilterType as Integer) as boolean
SaveAsPNGMBS(pic as picture, mask as picture, gamma as single = 0.0) as boolean
SaveAsPNGMBS(pic as picture, mask as picture, gamma as single, Interlace as Boolean, FilterType as Integer) as boolean

Some examples using this method:

FolderItem.SaveAsPNGMBS(pic as picture, gamma as single, Interlace as Boolean, FilterType as Integer) as boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	PNG	MBS Images Plugin	6.4	✅ Yes	✅ Yes	✅ Yes	✅ Yes	All

Saves RGB picture as PNG file.

If pic has a mask, it is written to the file as alpha channel.

Returns true on success and false on failure.

The gamma parameter defines what gamma correction is applied:
positive value: use the value as the gamma correction
zero: use default value (or value saved in file itself)
negative value: do not correct gamma

If Interlace is true the Adam7 interlacing is used.
FilterType specifies the filter:

const PNG_NO_FILTERS = 0

const PNG_FILTER_NONE = 8

const PNG_FILTER_SUB = 16

const PNG_FILTER_UP = 32

const PNG_FILTER_AVG = 64

const PNG_FILTER_PAETH = 128

const PNG_FILTER_ALL = 248

See also:

Some examples using this method:

FolderItem.SaveAsPNGMBS(pic as picture, mask as picture, gamma as single = 0.0) as boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	PNG	MBS Images Plugin	6.4	✅ Yes	✅ Yes	✅ Yes	✅ Yes	All

Saves RGB picture as PNG file.

Example

// load
dim f as FolderItem = SpecialFolder.Desktop.Child("test.png")
dim p as PNGPictureMBS = f.OpenAsPNGMBS

// save
dim g as FolderItem = SpecialFolder.Desktop.Child("output.png")
if g.SaveAsPNGMBS(p.Pict, p.Mask) then
  MsgBox "OK"
else
  MsgBox "Failed"
end if

If mask is nil no alpha channel is written to the file.

Returns true on success and false on failure.

The gamma parameter defines what gamma correction is applied:
positive value: use the value as the gamma correction
zero: use default value (or value saved in file itself)
negative value: do not correct gamma

See also:

Some examples using this method:

FolderItem.SaveAsPNGMBS(pic as picture, mask as picture, gamma as single, Interlace as Boolean, FilterType as Integer) as boolean

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
method	PNG	MBS Images Plugin	6.4	✅ Yes	✅ Yes	✅ Yes	✅ Yes	All

Saves RGB picture as PNG file.

If mask is nil no alpha channel is written to the file.

Returns true on success and false on failure.

The gamma parameter defines what gamma correction is applied:
positive value: use the value as the gamma correction
zero: use default value (or value saved in file itself)
negative value: do not correct gamma

If Interlace is true the Adam7 interlacing is used.
FilterType specifies the filter:

const PNG_NO_FILTERS = 0

const PNG_FILTER_NONE = 8

const PNG_FILTER_SUB = 16

const PNG_FILTER_UP = 32

const PNG_FILTER_AVG = 64

const PNG_FILTER_PAETH = 128

const PNG_FILTER_ALL = 248

See also:

const PNG_NO_FILTERS	= 0
const PNG_FILTER_NONE	= 8
const PNG_FILTER_SUB	= 16
const PNG_FILTER_UP	= 32
const PNG_FILTER_AVG	= 64
const PNG_FILTER_PAETH	= 128
const PNG_FILTER_ALL	= 248